{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "DNA", "RNA", "cell type"], "input": "In this study, c-myc protooncogene mRNA expression in 29 labial minor salivary gland biopsies from patients with primary SS and 15 controls was examined using in situ hybridization histochemistry ."}
{"cell line": [], "protein": [], "DNA": ["c-myc protooncogene"], "RNA": ["c-myc protooncogene mRNA"], "cell type": []}